[align=left][color=rgb(25, 25, 25)][font="]Filters, as the name implies, filter out some specific frequency domain "waves" in the signal. According to their functions, they can be divided into low-pas...
Dr. Dot Micro Quadcopter Rotating Motor Steering DiagramDr. Dot Micro Quadcopter Balance Motor Steering DiagramDr. Dot Micro Quadcopter Front Flight Motor Steering Diagram...
As a high-tech product, LED display screen has attracted great attention. The large-screen intelligent display screen that integrates light and electricity with computer control has been applied to ma...
[i=s]This post was last edited by littleshrimp on 2016-7-23 20:22[/i] After the pins stuck together, I bought rosin to fix the pins and soldered the remaining components I found a Bluetooth POS machin...
[font=inherit][size=13px][align=left][font=inherit][size=13px][b]In a multi-card system, the best way to reduce ground impedance is to use a "motherboard" PCB as the backplane for the card interconnec...
Data transmission based on WiFi: The device uses a serial to WiFi module. But the laptop itself has WiFi. I don't want to use a WiFi to serial converter. How can I connect the WiFi on the computer? Ca...
Emergency hand-held lamps powered by 6V maintenance-free batteries are widely used in rural areas. The charger used is a transformer step-down and single diode half-wave rectifier, and the charging...[Details]
Hardware designers have begun to adopt FPGA technology in high-performance DSP designs because it can provide 10-100 times faster computing than PC-based or microcontroller-based solutions. Previou...[Details]
This program is written to simulate the serial port hardware mechanism. When used, a timed interrupt can be set with a time interval of 1/4 baud rate. The receiving function is called once for ea...[Details]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guang...[Details]
System design is a complex process. It is not enough to just use ICs. There are many details to consider. This article uses a high-fidelity music playback system as an example to introduce how to s...[Details]
DSP (digital signal processor) is used more and more frequently in today's engineering applications. There are three main reasons for this: first, it has powerful computing power and is capable of ...[Details]
1. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[Details]
Vertical cavity surface emitting lasers (VCSELs) are gradually replacing traditional edge emitting lasers, especially in low bandwidth and short-distance communication systems where cost factors ar...[Details]
1. Introduction to CIF Board
Fieldbus integration based on PC system
Whether it is a master or a slave, fieldbus has won unanimous praise in the field of PC-based automation. For more...[Details]
The automotive lighting and signal control system is responsible for controlling the vehicle's lighting, signal lights, electric horns, reversing and brake buzzers. Traditional automotive lighting...[Details]
The typical fault troubleshooting listed below is for reference of maintenance personnel.
When the computer is turned on, the indicator light is off and there is no screen display
Mainte...[Details]
1 Introduction
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]
Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[Details]
Problems such as the depletion of natural resources, air pollution, traffic congestion, and rising fossil fuel prices have forced societies and individuals to seek alternative means of transportati...[Details]
Motors, especially those with brushes, generate a lot of noise. This noise must be dealt with if the appliance is to meet the requirements of EMC standards. The means to solve EMC are nothing more ...[Details]